The Riddle of the Green Umbrella (1914)

Helmar, an eccentric old professor, owns a green umbrella, the handle of which was once a portion of a deadly instrument used by the Borgias. Lloyd and Reynolds, two young professors, are rivals for the hand of Dorothy, Helmar's daughter. Reynolds is discovered to have misappropriated the funds of the college by Helmar and Lloyd. He is ordered to return the money within twenty-four hours. Reynolds has been experimenting with racinus, the deadliest poison known. Merely inhaling it causes death. Helmar enters a barber shop the following day. Reynolds, disguised as a tramp, follows. Later, when the barber finishes shaving Helmar, he discovers the professor is dead. Madelyn Mack takes charge of the case. She suspects Reynolds. The latter has cleverly fastened the crime upon Lloyd by means of the green umbrella. Aided by a vocaphone and a detectaphone, she secures positive evidence of Reynolds' guilt. Disguised as a chambermaid, Madelyn enters the man's apartment. He captures her, however, and announces his intention of giving her a hypodermic which will deprive her of her memory. The man sneeringly tells the helpless girl that he murdered Helmar by placing racinus in his shaving mug. The professor inhaled the fumes of the drug and perished. Just as Reynolds is about to give Madelyn the memory-depriving drug, the girl, picking up a vial standing on the table, dashes it into his face. It contains racinus. Reynolds crumples up just as detectives, who have overheard his confession, enter.

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Summary Details
GenresDrama Short
FilmmakersRole
Kenean Buel Director
Hugh C. Weir Writer
CastRole
Alice Joyce
James B. Ross
Marguerite Courtot
Guy Coombs